京王線・井の頭線全駅で「駅ナンバリング」を導入します。 [Station numbering to be introduced on Keio Line and Inokashira Line] (PDF) (Press release) (in Japanese). Keio Corporation. January 18, 2013. Retrieved February 23, 2013.
1日の駅別乗降人員 [Average daily station usage figures] (in Japanese). Japan: Keio Corporation. 2013. Retrieved February 23, 2013.
